Work done by a force in displacing a body is equal to change in its kinetic energy.
Work energy and power class 11 notes pdf.
It is measured by the product of the force and the distance moved in the direction of the force i e w f s.
Cbse class 11 physics work energy and power notes.
This signifies when the force and displacement are in same.
Dronstudy provides free comprehensive chapterwise class 11 physics notes with proper images diagram.
Work whenever a force acting on a body produces a change in the position of the body work is said to be done by the force.
Online revision notes for class 11 physics chapter 6 work energy and power are really useful in revising the important topics of the chapter.
Vedantu offers well curated revision notes designed by experts to help students learn the chapters in an effective manner.
11th cbse physics work energy and power full chapter in 1 video ncert neet jee complete detail explanation in simple words.
Here θ is the angle between and.
Notes for work energy and power chapter of class 11 physics.
These notes are made out of the past 10 years question papers and study material which help the students cover each and.
Revision notes on work power and energy.
Work done by the force is equal to the product of the force and the displacement of the object in the direction of force.
A moving car walking up stairs lifting heavy objects an aeroplane flying etc are among the most common examples that give us insight into the concept of work power and energy.
Work energy and power class 11 notes physics chapter 6 work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of applied force.
Work power and energy are among the most important concepts of mechanics.
Physics notes class 11 chapter 6 work energy and power work when a force acts on an object and the object actually moves in the direction of force then the work is said to be done by the force.
Those students who have difficulty in understanding the chapter can utilize online notes for the same available on vedantu.
Regarding the work energy theorem it is worth noting that i if w net is positive then k f k i positive i e k f k i or kinetic energy will increase and vice versa.
And k f final kinetic energy.
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Work done by the force is positive if the angle between force and displacement is acute 0 θ 90 as cos θ is positive.
